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ABSTRACT
<p>A portable system using small, high-density optical discs with prerecorded content and space for consumer-written data gives content owners noninvasive access control.</p>
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CITATION

D. H. Davies, "DataPlay's Mobile Information Distribution and Storage Technology," in IEEE Micro, vol. 22, no. , pp. 8-15, 2002.
doi:10.1109/MM.2002.997875
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